Can opener



FIG. 1 is a perspective view of my new design for a can opener;

FIG. 2 is a top side elevational view of the can opener, the bottom side is a mirror image;

FIG. 3 is a right side elevational view of the can opener, the left side is a mirror image;

FIG. 4 is a bottom plan view of the can opener; and,

FIG. 5 is a top plan view of the can opener.

The broken lines showing the opening in FIG. 4 are included for the purpose of showing a portion of the can opener that forms no part of the claimed design. 

CLAIM The ornamental design for a can opener, as shown and described. 